{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38348634",
    "entityType": "User",
    "nonce": "0xb826ca77479ae4d131a9ff4f419010e8b5236bc7b783ffd44db22e3210bea5b2",
    "signature": "0x4f20e1cd8e7c3f7ab8071202bf60d991de38123d8d2ce5b8ba936b37bc34cffd535a303696ee4d04dac83d9f0f9c3e37ecfcc7c4f818a7330033315c88745cf71b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}